Run e2e:package-and-test-ee for MR targeting stable branches

Even before any approvals. This is a follow up from
!157337
where it moved it completely after approval (tier 3)

.gitlab/ci/rules.gitlab-ci.yml

@@ -1617,6 +1617,8 @@
     # Run tests automatically for MRs that touch QA files
     - <<: *if-merge-request
       changes: *qa-patterns
+    - <<: *if-merge-request-targeting-stable-branch
+      changes: *setup-test-env-patterns
     # Otherwise, only run tests in pipeline::tier-3 and above
     - !reference [".prevent-tier-2-and-below", rules]
     - <<: *if-merge-request
@@ -1635,8 +1637,6 @@
       changes: *code-patterns
     - <<: *if-merge-request-and-specific-devops-stage
       changes: *code-patterns
-    - <<: *if-merge-request-targeting-stable-branch
-      changes: *setup-test-env-patterns
     - <<: *if-ruby-branch
 
 # .qa:rules:e2e-blocking-base-* are similar to .qa:rules:package-and-test-common, but not allowed to fail.